CN203348698U - Built-in float ball valve - Google Patents
Built-in float ball valve Download PDFInfo
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- CN203348698U CN203348698U CN 201320451087 CN201320451087U CN203348698U CN 203348698 U CN203348698 U CN 203348698U CN 201320451087 CN201320451087 CN 201320451087 CN 201320451087 U CN201320451087 U CN 201320451087U CN 203348698 U CN203348698 U CN 203348698U
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Abstract
A built-in float ball valve relates to float ball valves and is mainly formed by a valve body, a main valve plate, a pressure releasing valve core, a float ball and a valve shell; an upper valve cavity, a lower valve cavity, a central slideway and a sealing face a are arranged in the valve body; the central slideway is arranged at the center of the top wall body of the upper valve cavity; a circle center through hole is formed in the main valve plate and forms a pressure releasing channel; a connection rod is connected out from the center of the upper end of the pressure releasing valve core; one end of the valve body is provided with a water inlet interface communicated to the lower valve cavity; the other end of the valve body is provided with a water outlet interface communicated to the upper valve cavity; the valve shell is connected to the upper end of the valve body; the valve shell and the interior space at the upper end of the valve body form a water chamber; the float ball is arranged in the water chamber; an exhaust interface is arranged at the top of the valve shell for connecting outside. According to the built-in float ball valve, the closing direction of the valve plate is same as the direction of water flows or water pressure of tap water, and the valve plate is more tightly closed by utilizing the pressure of the tap water, so the shortcoming of usual untight closing of a float ball valve is overcome.
Description
Technical field
The utility model relates to automatic liquid-level control device, specially refers to a kind of float valve.
Background technique
People are in life and producing, all need reservoir, comprise the heat-insulating water tanks of solar water heater, the water tank of central heating system, water tower, fire-water pond and the boiler replenishing water case etc. of industrial and mining enterprise, in these equipment, the application float valve carries out moisturizing and can save artificial and prevent water resource waste.Existing float valve is that valve is separated with ball float, carry out control valve by cranking arm outside valve with ball float, the shortcomings such as inconvenience, easy to failure, working life is short are installed and used in existence, and valve plate or spool are closed in face of the current of tap water or hydraulic pressure direction, the pressure-acting direction of tap water and valve plate or spool to open direction identical, easily cause the close shortcoming of easily leaking that is not closed completely.
The model utility content
The purpose of this utility model is the shortcoming that will overcome existing float valve, designs a kind of easy to install, reliable operation, closes the built-in float valve of tight water-tight and long service life, the live and work be convenient for people to, and the water resources that avoids waste.
The 1st kind of built-in float valve of the present utility model, it is characterized in that float valve is mainly by valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2) form, wherein, uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), main valve plate (14) is the disc structure, center of circle through hole, sealing surface b(12 are arranged on main valve plate (14)) and sealing surface d(21), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), sealing surface b(12) in the upper-end surface of main valve plate (14), sealing surface b(12) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has connecting rod (8) to pick out, the ring surface of pressure releasing valve core (17) upper end forms sealing surface c(15), sealing surface c(15) with main valve plate (14) on sealing surface d(21) corresponding matching, one end of valve body (9) has into water interface (22), and water inlet interface (22) is communicated to lower valve chamber (III), and the other end of valve body (9) has water outlet mouthpiece (11), and water outlet mouthpiece (11) is communicated to uuper valve chamber (VI), valve casing (2) is connected to the upper end of valve body (9), and valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), and ball float (3) is arranged in hydroecium (VIII), on the top of valve casing (2), has exhaust port (1) to pick out, on the wall body at uuper valve chamber (VI) top, via hole (VII) is arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by via hole (VII), pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), and the connecting rod (8) on pressure releasing valve core (17) is through in ，Zai You center slideway (6) after the center of circle through hole of main valve plate (14), passing and be connected on ball float (3).In the utility model, the bottom of valve body (9) has bottom (20) to carry out shutoff.
The 2nd kind of built-in float valve of the present utility model, it is characterized in that float valve mainly is comprised of valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2), wherein, valve casing (2) is connected to the upper end of valve body (9), valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), the upper space of hydroecium (VIII) has exhaust port (1) to pick out, and ball float (3) is arranged in hydroecium (VIII), uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), on the wall body at uuper valve chamber (VI) top, via hole (VII) is arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by via hole (VII), uuper valve chamber (VI) has water outlet mouthpiece (11) to pick out, there is lower end (18) lower end of valve body (9), and buffer cell (I) is arranged in lower end (18), and buffer cell (I) has into water interface (22) access, between buffer cell (I) and lower valve chamber (III), has damping port (II) to be communicated with, main valve plate (14) is the disc structure, center of circle through hole, sealing surface b(12 are arranged on main valve plate (14)) and sealing surface d(21), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), sealing surface b(12) in the upper-end surface of main valve plate (14), sealing surface b(12) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has upper connecting rod (8a) to pick out, the ring surface of pressure releasing valve core (17) upper end forms sealing surface c(15), sealing surface c(15) with sealing surface d(21) corresponding matching, the center of pressure releasing valve core (17) lower end has lower link (8b) to pick out, pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), the upper connecting rod (8a) of pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), pass in Zai You center slideway (6) and be connected on ball float (3), lower link (8b) lower end of pressure releasing valve core (17) is connected with damping piece (19), and damping piece (19) is extend in buffer cell (I) by damping port (II).
In above-mentioned the 1st kind of model utility or the 2nd kind of model utility, connecting rod (8) has free gap in the center of circle through hole of main valve plate (14); Connecting rod (8) has free gap in the center slideway (6) of valve body (9); Connecting rod (8) on pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), then puts in sleeve pipe (7) ，You center slideway (6) to pass and be connected on ball float (3); Sealing surface b(12 on main valve plate (14)) by rubber cushion a(13) substitute, when by rubber cushion a(13) replacement seal face b(12) time, there is annular bayonet socket the upper-end surface of main valve plate (14), rubber cushion a(13) by annular bayonet socket, be fixed; Sealing surface c(15 on pressure releasing valve core (17)) by rubber cushion b(16) substitute, when by rubber cushion b(16) replacement seal face c(15) time, there is draw-in groove the upper end of pressure releasing valve core (17), rubber cushion b(16) by draw-in groove, be fixed; Via hole (VII) on the wall body of uuper valve chamber (VI) top is more than three.
Above-mentioned model utility in the specific implementation, the diameter of main valve plate (14) is designed to 10-35mm, the diameter of pressure releasing valve core (17) is designed to 3-5mm, main valve plate (14) and pressure releasing valve core (17) are controlled and are closed or open by the lifting of ball float (3), when the hydroecium in float valve (VIII) middle water level rises, ball float (3) drives pressure releasing valve core (17) by connecting rod (8) and main valve plate (14) rising moves to closing direction, pressure releasing valve core (17) is identical with the direction of current with the closing direction of main valve plate (14), make float valve easily close, after float valve is closed, lower valve chamber (III) bears the pressure of tap water, the direction of the closing direction of main valve plate (14) and pressure releasing valve core (17) and the interior tap water pressure of lower valve chamber (III) and identical, utilize the pressure of tap water that float valve is closed tightly, when the hydroecium in float valve (VIII) middle water level descends, ball float (3) is along with decline, drive pressure releasing valve core (17) by connecting rod (8) and descend, because the cross section of pressure releasing valve core (17) is very little, therefore, the resistance that pressure releasing valve core (17) descends is very little, the gravity of ball float (3) is easy to drive pressure releasing valve core (17) and descends, and opens pressure release passage (V), makes the earth pressure release in lower valve chamber (III), thereby main valve plate (14) is fallen, and the circulation road of fetching boiling water (IV) is opened float valve.Moving element of the present utility model only has ball float (3), main valve plate (14) and pressure releasing valve core (17), and only move up and down vertically, there is simple in structure, reliable operation, close the characteristics of tight water-tight and long service life, and easy to install.In the utility model, pressure releasing valve core (17) is designed to the conical structure of small bore, pressure releasing valve core (17) is as the auxiliary element of opening of main valve plate (14), the cross section of pressure releasing valve core (17) is far smaller than the cross section of main valve plate (14), when float valve is closed, it is upper that tap water pressure in lower valve chamber (III) mainly is applied to main valve plate (14), and main valve plate (14) is upwards compressed, make close tighter; When the diameter of pressure releasing valve core (17) is designed to tap water pressure in 3mm, lower valve chamber (III) and is 0.2MPa, only need the gravity of 0.15kg just can make pressure releasing valve core (17) open, when the hydroecium in float valve (VIII) middle water level descends, 0.15kg the ball float of above weight (3) is when descending, being easy to drive pressure releasing valve core (17) descends, open pressure release passage (V), make the earth pressure release in lower valve chamber (III), after earth pressure release in lower valve chamber (III), main valve plate (14) opens float valve with regard to smooth opening; Due to connecting rod (8), in pressure release passage (V), along with the lifting of ball float (3), activity makes pressure release passage (V) plugging fault can not occur to connecting rod (8).
On the lower elevated tank of the hydraulic pressure that the 1st kind of above-mentioned built-in float valve is suitable for use in tap water, heat-insulating water tanks as the roof solar water heater, because the hydraulic pressure of tap water is not high, when heat-insulating water tanks needs moisturizing, the gravity of ball float can make main valve plate open, when heat-insulating water tanks carries out moisturizing, little to the resistance of current, can realize smooth moisturizing.When occasion that will be higher for the hydraulic pressure of tap water the utility model, take the damping measure or damping device is set or decompressor is set on the intake pipe of float valve, open and main valve plate while not yet opening at pressure releasing valve core, slow down the pressure to main valve plate, make main valve plate energy smooth opening.
The using scope of the 2nd kind of above-mentioned built-in float valve comprises that the automatic water level of water tower, fire-water pond and boiler replenishing water case of water tank, the industrial and mining enterprise of solar water heater, central heating system controls.The utility model arranges damping port (II) and damping piece (19) between the buffer cell (I) of lower valve chamber (III) and water intake, damping piece wherein (19) is stopped up damping port (II) or opened along with ball float (3) lifting, its objective is that main valve plate (14) is while not yet opening in order to open at pressure releasing valve core (17), damping piece (19) gets lodged on damping port (II), tap water can not be entered in lower valve chamber (III) smoothly, pressure in lower valve chamber (III) can discharge fast, thereby guarantee that main valve plate (14) can fall open smoothly, when main valve plate (14) is lower, fall behind, damping piece (19) is along with whereabouts, open damping port (II), tap water is entered in lower valve chamber (III) smoothly, carry out the water supply operation to water tank equipment.
The beneficial effects of the utility model are: the built-in float valve of design is adapted at applying on water tower, fire-water pond and the boiler replenishing water case of water tank, industrial and mining enterprise of solar water heater, central heating system.Valve plate closing direction of the present utility model is identical with current or the hydraulic pressure direction of tap water, utilizes the pressure of tap water that valve plate is closed tighter, thereby has overcome the shortcoming that common float valve is not closed completely.
The accompanying drawing explanation
Accompanying drawing 1 is the structural drawing of a kind of built-in float valve of the present utility model.
Accompanying drawing 2 is structural drawing of the built-in float valve of another kind of the present utility model.
In figure: 1. exhaust port, 2. valve casing, 3. ball float, 4. locking nut, 5. spacing shim, 6. center slideway, 7. sleeve pipe, 8. connecting rod, 8a. upper connecting rod, 8b. lower link, 9. valve body, 10. sealing surface a, 11. water outlet mouthpiece, 12. sealing surface b, 13. rubber cushion a, 14. main valve plates, 15. sealing surface c, 16. rubber cushion b, 17. pressure releasing valve cores, the lower end of 18. valve bodies, 19. damping piece, 20. bottoms, 21. sealing surface d, 22. water inlet interfaces; I. buffer cell, II. damping port, III. lower valve chamber, IV. flow channel, V. pressure release passage, VI. uuper valve chamber, VII. via hole, VIII. hydroecium, IX. the upper space of hydroecium.
embodiment
In embodiment shown in embodiment's 1 accompanying drawing 1, the 1st kind of built-in float valve is mainly by valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2) form, wherein, uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), main valve plate (14) is the disc structure, center of circle through hole, sealing surface d(21 are arranged on main valve plate (14)), annular bayonet socket and rubber cushion a(13), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), annular bayonet socket and rubber cushion a(13) in the upper-end surface of main valve plate (14), rubber cushion a(13) be fixed rubber cushion a(13 by annular bayonet socket) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has connecting rod (8) to pick out, on the annular end face of pressure releasing valve core (17) upper end, annular slot and rubber cushion b(16 are arranged), rubber cushion b(16) be fixed rubber cushion b(16 by annular slot) with main valve plate (14) on sealing surface d(21) corresponding matching, one end of valve body (9) has into water interface (22), water inlet interface (22) is communicated to lower valve chamber (III), the other end of valve body (9) has water outlet mouthpiece (11), and water outlet mouthpiece (11) is communicated to uuper valve chamber (VI), and the bottom of valve body (9) has bottom (20) to carry out shutoff, valve casing (2) is connected to the upper end of valve body (9), and valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), and ball float (3) is arranged in hydroecium (VIII), on the top of valve casing (2), has exhaust port (1) to pick out, on the wall body at uuper valve chamber (VI) top, four via holes (VII) are arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by four via holes (VII), pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), connecting rod (8) on pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), put again sleeve pipe (7), pass in center slideway (6) and be connected on ball float (3), connecting rod (8) has free gap in the center of circle through hole of main valve plate (14), and connecting rod (8) has free gap in the center slideway (6) of valve body (9).In the present embodiment, the diameter of main valve plate (14) is 10mm, and the diameter of pressure releasing valve core (17) is 3mm; Main valve plate (14) is selected aluminium oxide ceramics or nylon or stainless steel or copper material manufacture, and pressure releasing valve core (17) is selected stainless steel or brass or the manufacture of red copper material, and other parts are selected stainless steel or brass or engineering plastics or nylon material manufacture.
In embodiment shown in embodiment's 2 accompanying drawings 2, the 2nd kind of built-in float valve mainly is comprised of valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2), wherein, valve casing (2) is connected to the upper end of valve body (9), valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), the upper space of hydroecium (VIII) has exhaust port (1) to pick out, and ball float (3) is arranged in hydroecium (VIII), uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), on the wall body at uuper valve chamber (VI) top, six via holes (VII) are arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by six via holes (VII), uuper valve chamber (VI) has water outlet mouthpiece (11) to pick out, there is lower end (18) lower end of valve body (9), and buffer cell (I) is arranged in lower end (18), and buffer cell (I) has into water interface (22) access, between buffer cell (I) and lower valve chamber (III), has damping port (II) to be communicated with, main valve plate (14) is the disc structure, center of circle through hole, annular bayonet socket and rubber cushion a(13 are arranged) on main valve plate (14), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), annular bayonet socket and rubber cushion a(13) in the upper-end surface of main valve plate (14), rubber cushion a(13) be fixed rubber cushion a(13 by annular bayonet socket) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has upper connecting rod (8a) to pick out, on the annular end face of pressure releasing valve core (17) upper end, annular slot and rubber cushion b(16 are arranged), rubber cushion b(16) by annular slot, be fixed, rubber cushion b(16) with sealing surface d(21) corresponding matching, the center of pressure releasing valve core (17) lower end has lower link (8b) to pick out, pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), the upper connecting rod (8a) of pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), put again sleeve pipe (7), pass the ball float (3) be connected in hydroecium (VIII) upper in center slideway (6), connecting rod (8) has free gap and in the center slideway (6) of valve body (9), free gap is arranged in the center of circle through hole of main valve plate (14), lower link (8b) lower end of pressure releasing valve core (17) is connected with damping piece (19), and damping piece (19) is extend in buffer cell (I) by damping port (II).In the present embodiment, the diameter of main valve plate (14) is 25mm, and the diameter of pressure releasing valve core (17) is 3mm; Main valve plate (14) is selected aluminium oxide ceramics or nylon or stainless steel or copper material manufacture, and pressure releasing valve core (17) is selected stainless steel or brass or the manufacture of red copper material, and other parts are selected stainless steel or brass or engineering plastics or nylon material manufacture.
In the above embodiments, being connected between valve casing (2) and valve body (9) adopts thread connecting mode or flange connection, adopt thread connecting mode between valve body (9) and lower end (18), the sealing material between link selects polytetrafluoroethylraw raw material band sealing or sealing gasket to be sealed.
When the built-in float valve of above-described embodiment is arranged in solar water heater system, the hot water outlet of heat-preserving water tank for solar water heater and moisturizing import separately arrange separately, hot water outlet is arranged on the top of heat-insulating water tanks, and the moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side; The water inlet interface (22) of built-in float valve is connected on water supply pipe by moisturizing pipeline and water supply valve, the water outlet mouthpiece of built-in float valve (11) is connected to the moisturizing import of heat-insulating water tanks bottom, in the upper emptying pipe of installing of the exhaust port (1) of built-in float valve, or the exhaust port of built-in float valve (1) is connected to swelling water tank, on the top of swelling water tank, pneumostome is set; Built-in float valve is arranged on the height at a little higher than heat-preserving water tank for solar water heater top, to avoid heat-insulating water tanks to bear too high pressure, automatic control pressure vent is arranged at the top at heat-insulating water tanks, automatically to get rid of the air in heat-insulating water tanks, makes easy topped up with water in heat-insulating water tanks.During use, the water supply valve of tap water is round-the-clock to be opened, and tap water enters into lower valve chamber (III) by the water inlet interface (22) of built-in float valve; When the user uses solar water, water in built-in float valve supplements in the heat-insulating water tanks of solar water heater, when the water level in built-in float valve in hydroecium (VIII) descends, ball float (3) is along with decline, driving pressure releasing valve core (17) descends, open pressure release passage (V), make the earth pressure release in lower valve chamber (III), thereby main valve plate (14) is fallen, the circulation road (IV) of fetching boiling water is opened built-in float valve, and tap water carries out moisturizing by built-in float valve to heat-insulating water tanks; When the user stops using solar water, water level in built-in float valve in hydroecium (VIII) rises, ball float (3) drives pressure releasing valve core (17) by connecting rod (8) and main valve plate (14) rises, and built-in float valve is closed, and stops the heat-insulating water tanks moisturizing.
Claims (8)
1. a built-in float valve, it is characterized in that float valve is mainly by valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2) form, wherein, uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), main valve plate (14) is the disc structure, center of circle through hole, sealing surface b(12 are arranged on main valve plate (14)) and sealing surface d(21), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), sealing surface b(12) in the upper-end surface of main valve plate (14), sealing surface b(12) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has connecting rod (8) to pick out, the ring surface of pressure releasing valve core (17) upper end forms sealing surface c(15), sealing surface c(15) with main valve plate (14) on sealing surface d(21) corresponding matching, one end of valve body (9) has into water interface (22), and water inlet interface (22) is communicated to lower valve chamber (III), and the other end of valve body (9) has water outlet mouthpiece (11), and water outlet mouthpiece (11) is communicated to uuper valve chamber (VI), valve casing (2) is connected to the upper end of valve body (9), and valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), and ball float (3) is arranged in hydroecium (VIII), on the top of valve casing (2), has exhaust port (1) to pick out, on the wall body at uuper valve chamber (VI) top, via hole (VII) is arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by via hole (VII), pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), and the connecting rod (8) on pressure releasing valve core (17) is through in ，Zai You center slideway (6) after the center of circle through hole of main valve plate (14), passing and be connected on ball float (3).
2. a kind of built-in float valve according to claim 1, is characterized in that the bottom of valve body (9) has bottom (20) to carry out shutoff.
3. a built-in float valve, it is characterized in that float valve mainly is comprised of valve body (9), main valve plate (14), pressure releasing valve core (17), ball float (3) and valve casing (2), wherein, valve casing (2) is connected to the upper end of valve body (9), valve casing (2) and Nei space, valve body (9) upper end form hydroecium (VIII), the upper space of hydroecium (VIII) has exhaust port (1) to pick out, and ball float (3) is arranged in hydroecium (VIII), uuper valve chamber (VI) is arranged in valve body (9), lower valve chamber (III), center slideway (6) and sealing surface a(10), uuper valve chamber (VI) and the cylindrical space of lower valve chamber (III), uuper valve chamber (VI) is in the top of lower valve chamber (III), the cross section of uuper valve chamber (VI) is less than the cross section of lower valve chamber (III), sealing surface a(10) at the lower bead of uuper valve chamber (VI), center slideway (6) is at the center of the top wall body of uuper valve chamber (VI), on the wall body at uuper valve chamber (VI) top, via hole (VII) is arranged, uuper valve chamber (VI) is communicated to hydroecium (VIII) by via hole (VII), uuper valve chamber (VI) has water outlet mouthpiece (11) to pick out, there is lower end (18) lower end of valve body (9), and buffer cell (I) is arranged in lower end (18), and buffer cell (I) has into water interface (22) access, between buffer cell (I) and lower valve chamber (III), has damping port (II) to be communicated with, main valve plate (14) is the disc structure, center of circle through hole, sealing surface b(12 are arranged on main valve plate (14)) and sealing surface d(21), the center of circle through hole of main valve plate (14) forms pressure release passage (V), sealing surface d(21) center of circle bore periphery below main valve plate (14), sealing surface b(12) in the upper-end surface of main valve plate (14), sealing surface b(12) with valve body (9) on sealing surface a(10) corresponding matching, pressure releasing valve core (17) is cylindrical structure, the center of pressure releasing valve core (17) upper end has upper connecting rod (8a) to pick out, the ring surface of pressure releasing valve core (17) upper end forms sealing surface c(15), sealing surface c(15) with sealing surface d(21) corresponding matching, the center of pressure releasing valve core (17) lower end has lower link (8b) to pick out, pressure releasing valve core (17) and main valve plate (14) are arranged in lower valve chamber (III), the upper connecting rod (8a) of pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), pass in Zai You center slideway (6) and be connected on ball float (3), lower link (8b) lower end of pressure releasing valve core (17) is connected with damping piece (19), and damping piece (19) is extend in buffer cell (I) by damping port (II).
4. according to the described a kind of built-in float valve of claim 1 or 3, it is characterized in that connecting rod (8) has free gap in the center of circle through hole of main valve plate (14); Connecting rod (8) has free gap in the center slideway (6) of valve body (9).
5. according to the described a kind of built-in float valve of claim 1 or 3, it is characterized in that connecting rod (8) on pressure releasing valve core (17) is through after the center of circle through hole of main valve plate (14), put again in sleeve pipe (7) ，You center slideway (6) and pass and be connected on ball float (3).
6. according to the described a kind of built-in float valve of claim 1 or 3, it is characterized in that the sealing surface b(12 on main valve plate (14)) by rubber cushion a(13) substitute, when by rubber cushion a(13) replacement seal face b(12) time, there is annular bayonet socket the upper-end surface of main valve plate (14), rubber cushion a(13) by annular bayonet socket, be fixed.
7. according to the described a kind of built-in float valve of claim 1 or 3, it is characterized in that the sealing surface c(15 on pressure releasing valve core (17)) by rubber cushion b(16) substitute, when by rubber cushion b(16) replacement seal face c(15) time, there is draw-in groove the upper end of pressure releasing valve core (17), rubber cushion b(16) by draw-in groove, be fixed.
8. according to the described a kind of built-in float valve of claim 1 or 3, it is characterized in that the via hole (VII) on the wall body of uuper valve chamber (VI) top is more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451087 CN203348698U (en) | 2013-07-28 | 2013-07-28 | Built-in float ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451087 CN203348698U (en) | 2013-07-28 | 2013-07-28 | Built-in float ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN203348698U true CN203348698U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320451087 Withdrawn - After Issue CN203348698U (en) | 2013-07-28 | 2013-07-28 | Built-in float ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN203348698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353010A (en) * | 2013-07-28 | 2013-10-16 | 衢州昀睿工业设计有限公司 | Built-in floating ball valve |
-
2013
- 2013-07-28 CN CN 201320451087 patent/CN203348698U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353010A (en) * | 2013-07-28 | 2013-10-16 | 衢州昀睿工业设计有限公司 | Built-in floating ball valve |
| CN103353010B (en) * | 2013-07-28 | 2015-06-10 | 衢州昀睿工业设计有限公司 | Built-in floating ball valve |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150610 |
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| RGAV | Abandon patent right to avoid regrant |